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LLC200A3SH Optomax Basic Series Liquid Level Sensors

Post Date:

2018/11/06 16:39:37

Expired Date:

2019/02/04 23:59:59

Trade Leads Category:

Water Level Switches

Company Info

Shenzhen Week Technology Ltd.
Contact Person: Yan Zhang
Address: 16 Floor, Building #3, Zhongke Mansion, Gaoxin South 1St Rd, Hi-Tech Park, Nanshan
State/Province: GUANGDONG
Country/Region: China (mainland)
Zip/Post Code: 518067


LLC200A3SH Optomax Basic Series Liquid Level Sensors General Description

The Optomax Basic range of liquid level switches are an analogue optics only solution designed to meet the demand of price sensitive, high volume OEM applications. 

The miniature sensor is solid state, containing only an infra-red LED and phototransistor which are optically coupled by the tip when the sensor is in air. When the sensing tip is immersed in liquid, the infra-red light escapes making the phototransistor output change state. The sensor can detect the presence or absence of almost any liquid type, oil or water based.

Because the Optomax Basic range only contains opto-electronic components the customer is responsible for interfacing the sensor to their application with technical support from SST. OEM applications can be very price sensitive so by removing the circuit protection, voltage regulation, processing electronics and output stage, the sensor cost is significantly reduced. Available in 3 wire (common cathode/emitter) and 4 wire (galvanically isolated) configurations.

With housing options for internal or external sensor mounting and available in two chemically resistant housing materials, Polysulfone, the standard choice for most applications or Trogamid, which is typically used in food and beverage applications.


LLC200A3SH Optomax Basic Series Liquid Level Sensors Features
• Liquid level switches that can detect almost any liquid type; oil or water based
• Choice of material; Polysulfone (standard) or Trogamid®
• Choice of threads and terminal connections


LLC200A3SH Optomax Basic Series Liquid Level Sensors Benefits
• OEM optics only solution
• Low cost
• Compact design


LLC200A3SH Optomax Basic Series Liquid Level Sensors Technical Specifications

Supply voltage (Vs) Any with suitable LED current limiting resistor
LED forward current (lf) 10mA recommended
Output signal Phototransistor open collector.
Operating temperatures Standard: -25°C to +80°C
Storage temperatures Standard: -30°C to +85°C
Housing material Polysulfone
Sensor termination 24AWG, 250mm PTFE wires, 8mm tinned


Optomax Basic Series Liquid Level Switches Order Information
Generate your specific part number using the convention shown opposite. Use only those letters and numbers that correspond to the sensor and output options you require — omit those you do not.

• 500 series sensors are mounted internally
• 200, 600 & 700 series sensors are mounted externally
• SH suffix applicable to 200, 600 & 700 series sensors only; omit from 500 series sensor part number

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